Math POD Student Workbook

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$CAHSEE Math Problem of the Day -- Week 3$




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Day 4(CAHSEE Math Released Item 17 )SAUSD CAHSEE Math Problem of the Day -- Week 5Jana bought a car for $4200 and later sold it for 30% profit. How much did Jana sell the car for?Day 5(CAHSEE Math Released Item 18)A) A salesperson at a clothing store earns a 2% commission on all the sales. How muchcommission does the salesperson earn on a $300 sale?B) A salesperson at a computer store earns a 15% commission on all the sales. How much commissiondoes the salesperson earn on a $900 sale?Susan Mercer Fall, 2007Educational Services, SAUSD Week5 – Student - Page 2 of 2
SAUSD CAHSEE Math Problem of the Day -- Week 6Solving problems with squares and circles:Always check to see what the question is asking.Look for words like:perimeter – distance around the outsidecircumference – the perimeter of a circleradius – distance from the center of a circle tothe sidediameter – distance from side to side of a circlethrough the center of a circle which is 2times the radius of a circle.The diameter of a circle is the same length as theside of a square in which it is inscribed.Steps to find the perimeter of a square ifgiven the radius of an inscribed circle:1. Find the length of one side of the square.(Since the radius is the distance from thecenter of the circle to the side, the radiusis ½ the length of the side of the square.To find the length of a side of the squaremultiply the radius by 2)2. Since the perimeter is the length aroundthe square add up the length of all 4 sidesor multiply the length by 4.Day 1(CAHSEE Math Released Item #104)104. In the figure above, the radius of theinscribed circle is 6 inches (in.) What is theperimeter of square ABCD?ABCD12π in.36π in.24 in.48 in.Example:...........................................In the figure above, the radius of the inscribedcircle is 2 inches. What is the perimeter of squareABCD?ANSWER:Find the length of the side of the square:Since the radius is ____ inches the length of theside of the square is 2 x ____ in. = ______ in.Find the perimeter of the square:____ in x 4 = _____ inLaura Westermeier, Ed.D. Fall, 2007Educational Services, SAUSD Week 1 – Student - Page 1 of 5
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Math POD Student Workbook

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